carboxylic acids

Question 1

general formula of carboxylic acids

Answer 1

CnH2n+1 COOH

Question 2

first 4 carboxylic acids

Answer 2

Methanoic acid, ethanoic acid, propanoic acid, butanoic acid

Question 3

why are carboxylic acids weak acids?

Answer 3

they do not fully ionise in water

Question 4

products of a carboxylic acid and a metal

Answer 4

salt and hydrogen (like a normal metal would)

Question 5

products of a carboxylic acid and carbonate

Answer 5

salt, water, co2 gas

Question 6

products of neutralisation of a carboxylic acid

Answer 6

salt and water

Question 7

what is used to make vinegar

Answer 7

ethanoic acid

Question 8

What do alcohols and carboxylic acids make?

Answer 8

Esters

Question 9

What is the functional group of an ester?

Answer 9

-COO

Question 10

What can esters be used for?

Answer 10

Solvents

Question 11

Reaction between carboxylic acids and alcohols

Answer 11

alcohol + carboxylic acid → ester + water

Question 12

What does the alcohol lose when reacting to form an ester?

Answer 12

A hydrogen

Question 13

What does the carboxylic acid lose when reacting to form an ester?

Answer 13

The -OH

Question 14

Why is water formed alongside the ester?

Answer 14

Because the alcohol and carboxylic acid lose two hydrogens and an oxygen, forming H2O

Question 15

Name of an ester

Answer 15

ethyl ethanoate

Question 16

What catalyst is used when making esters

Answer 16

Acid catalyst